package com.zhledu.college;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;


public class CollegeReduce extends Reducer<Text, LongWritable, Text, LongWritable> {
    @Override
    protected void reduce(Text key, Iterable<LongWritable> values, Reducer<Text, LongWritable, Text, LongWritable>.Context context) throws IOException, InterruptedException {

        Long times = 0L;
        for (LongWritable num : values) {
            times += num.get();
        }
        context.write(key, new LongWritable(times));

    }
}
